Finding the Fourth Proportional to 2,518.88, 3,476.28 and 1,399.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.88 : 3,476.28 = 1,399.94 : x
2. Step 2: Convert to fraction form
   2,518.88/3,476.28 = 1,399.94/x
3. Step 3: Cross multiply
   2,518.88x = 3,476.28 × 1,399.94
4. Step 4: Simplify right side
   2,518.88x = 4,866,583.42
5. Step 5: Solve for x
   x = 4,866,583.42/2,518.88
6. Step 6: Final answer
   x = 1,932.04